Scissor



FIG. 1 is a side view of a scissor showing my new design;

FIG. 2 is a top plan view of the scissor as shown in FIG. 1; and,

FIG. 3 is a rear elevational view of the scissor as shown in FIG. 1.

The broken lines shown on the drawings are for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for a scissor, as shown and described. 